CAVITATION EROSION AND ABRASIVE WEAR OF NI3AL ALLOYS

被引：15
|
作者：
JOHNSON, ML [1 ]
MIKKOLA, DE [1 ]
WRIGHT, RN [1 ]
机构：
[1] EG&G IDAHO INC,IDAHO NATL ENGN LAB,IDAHO FALLS,ID 83415
来源：
INTERMETALLICS | 1995年 / 3卷 / 05期
关键词：
ABRASIVE WEAR; CAVITATION EROSION; NICKEL ALUMINIDE; AUSTENITIC STAINLESS STEEL; MECHANICAL AND PHYSICAL PROPERTIES;
D O I：
10.1016/0966-9795(94)00039-N
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The abrasive wear and cavitation erosion behavior of boron-ductilized Ni3Al alloys has been studied and compared with that of several austenitic stainless steels. The abrasive wear resistance of the nickel aluminides was inferior to that of the stainless materials. This is attributed to the rapidly decreasing strength and ductility exhibited by Ni3Al above 700 degrees C. However, the cavitation erosion resistance of the aluminides was found to be very good compared to the stainless steels. Surface orientation of individual grains was discovered to have a strong effect on erosion behavior of nickel aluminides. The L1(2) crystallographic order is important in determining the resistance to both abrasion and erosion.
引用
收藏
页码：389 / 396
页数：8
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